ATTINY461-20SU Atmel, ATTINY461-20SU Datasheet - Page 98
![IC MCU AVR 4K FLASH 20MHZ 20SOIC](/photos/6/80/68042/453-20-soic_sml.jpg)
ATTINY461-20SU
Manufacturer Part Number
ATTINY461-20SU
Description
IC MCU AVR 4K FLASH 20MHZ 20SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATAVRMC321.pdf
(242 pages)
Specifications of ATTINY461-20SU
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
16
Program Memory Size
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-SOIC (7.5mm Width)
Processor Series
ATTINY4x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
2-Wire, SPI, USI
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
16
Number Of Timers
2
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 16 Channel
Package
20SOIC
Device Core
AVR
Family Name
ATtiny
Maximum Speed
20 MHz
For Use With
ATSTK600-DIP40 - STK600 SOCKET/ADAPTER 40-PDIPATAVRBC100 - REF DESIGN KIT BATTERY CHARGER770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPI
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATTINY461-20SU
Manufacturer:
ATMEL
Quantity:
3 282
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98
ATtiny261/461/861
Figure 12-10. Compare Match Output Unit, Schematic
The general I/O port function is overridden by the Output Compare (OC1x / OC1x) from the
Dead Time Generator if either of the COM1x1:0 bits are set. However, the OC1x pin direction
(input or output) is still controlled by the Data Direction Register (DDR) for the port pin. The Data
Direction Register bit for the OC1x and OC1x pins (DDR_OC1x and DDR_OC1x) must be set as
output before the OC1x and OC1x values are visible on the pin. The port override function is
independent of the Output Compare mode.
clk I/O
PORTB0
DDRB0
PORTB1
DDRB1
PORTB2
DDRB2
PORTB3
DDRB3
PORTB4
DDRB4
PORTB5
DDRB5
D Q
D Q
D Q
D Q
D Q
D Q
D Q
D Q
D Q
D Q
D Q
D Q
OCW1A
clk Tn
OCW1B
OCW1D
clk Tn
clk Tn
Generator A
Generator B
Generator D
Dead Time
Dead Time
Dead Time
WGM11
OC1OE1:0
COM1A1:0
WGM11
OC1OE3:2
COM1B1:0
WGM11
OC1OE5:4
COM1D1:0
Q
Q
Q
Q
Q
Q
OC1B
OC1B
OC1A
OC1A
OC1D
OC1D
0
1
Output Compare
Pin Configuration
2
1
0
2
1
0
Output Compare
Pin Configuration
Output Compare
Pin Configuration
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
2588E–AVR–08/10
OC1A
OC1A
OC1B
OC1B
OC1D
OC1D
PIN
PIN
PIN
PIN
PIN
PIN
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